Questions tagged [dual-sim]

For questions about dual-sim phones (Phone with two sim card slots)

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10
votes
1answer
5k views

Aggregating two 4G/3G data links from 2 different sims?

Having two 4G capable sims -from truely two different operators (no virtual carriers at all)- and a Dual Active sim phone (Zenfone 2 Laser), I want to do true load balancing with a 1 sim + 1 sim 4G/3G ...
8
votes
4answers
65k views

Can a dual SIM Android phone receive voice calls to both SIMs?

Is it possible for a dual SIM phone to receive calls (not simultaneously of course) to both SIMs without any manual switching? From what I have seen, Android 4.0 seems to support voice call for SIM #...
5
votes
1answer
1k views

Android and sim-lock

I'd like to know if android phones are sim-locked. Given that they are open-source and have community images it should be 'tricky' to sim-lock one but I prefere to ask. Also - do I need to unlock if ...
4
votes
3answers
148k views

How to turn off mobile-data/3G for each SIM card separately in Samsung Galaxy Mega Duos?

I'm using Samsung Galaxy Mega Duos and use two SIM cards - one sim with very low charge for 3G connection (called SIM1) and the other with very-high fee (called SIM2). I go to Setting - Connections - ...
4
votes
1answer
56k views

How to make automatic SIM card selection for specific contacts?

Everytime I call someone I change SIM card to one of them and call from that SIM card. Is it possible to assign a SIM card for each contact, so that when calling a contact the phone select the SIM ...
4
votes
3answers
16k views

Not able to know to which SIM sms was received

Short Description: I am using JellyBean in a dual SIM featured phone. I am using Go SMS software also standard Messaging also I used. I find it peculiar to know that there is no such feature to know ...
4
votes
1answer
10k views

Method to block calls on dual SIM and block notifications from some apps (scheduled)

I recently got a Motorola G5S Smartphone with Android 7.1.1 with Dual SIM. One SIM is work-related, the other private. Also, every App on my phone is either work-related or private. I'm searching for ...
4
votes
1answer
613 views

Any software to block all calls and all SMSes allowing only 3G internet?

My dad gave his other dual-sim card to me, which has internet service that he does not need. I do not want to get his calls or SMSes, I only want to use his internet. I have tried to do this ...
3
votes
3answers
37k views

What is the difference between dual sim active and dual sim stand-by?

I am Using Sony Xperia Tipo Dual, which is Dual Sim Smartphone, but When i use internet from SIM 1 using Network Mode = GSM only or WCDMA/ GSM the another SIM's says NO NETWORK. When i deactivate my ...
3
votes
4answers
3k views

Dual active LTE + multipath tcp + VPN

I travel a lot and having a constantly reliable Internet connection is high on my priority list. Tethering from my phone is often times spotty. Different carriers are good in some areas and poor in ...
3
votes
2answers
9k views

Whatsapp on dual sim

I want to use dual sim phone with one number registered with whatsapp and another number with data pack , is it possible?
3
votes
6answers
18k views

How to use two whatsapp accounts on one phone

I have a Samsung galaxy Duos and want to use my two whatsapp accounts at the same device. Is it for example possible to run dual two whatsapp client apps on one phone?
3
votes
4answers
11k views

No Internet using dual sim as mobile hotspot

My phone has two sims both with large data caps that I'd like to use. I use my phone as a wireless access point for my laptop. To switch between SIM 1/2 for data, I have to go to settings-->...
3
votes
1answer
39k views

Accessing SIM Toolkit in Android settings spawns duplicate SIM card entries?

I have OnePlus 2, rooted and has Xposed Framework. I don't recall ever visiting the SIM Toolkit menu before. But I tried it today and this happened: Settings -> Wireless Settings -> Sim & ...
3
votes
0answers
1k views

language is being reset on boot

I have recently purchased a new phone (Laude M8), which is the first Android 5.1 phone I have used, and also the first phone I have used which supports dual SIM cards. I have only one SIM card ...
3
votes
4answers
5k views

Moto E being charged for mobile data even if it's turned off on Vodafone Karnataka SIM [closed]

I have very recently purchased Moto E and using Vodafone Karnataka SIM. I have disabled mobile data and work only with WiFi. Even after this, I see I am being charged with 0 MB data usage. (Click ...
3
votes
2answers
16k views

Battery performance of Dual SIM phone running only one SIM

Does a dual-SIM Android phone running only one SIM yield almost the same battery life as a single-SIM phone? Will both the radios be running all the time regardless of whether both the SIMs are ...
2
votes
3answers
2k views

A3000 chinese mobile - Dual-SIM or Dual-GSM support since Android 2.2 (again?)

My question topic is Android support for dual SIM hardware. More specifically I'd like to find out if it's the Android 2.2 release that added support for real dual SIM and dual GSM support, and to ...
2
votes
1answer
1k views

HTC U Ultra: Can I use dual SIM on this device?

There seem to exist different versions of the phone. I can insert 2 nano SIM cards in the device but how to activate the second one? There is no enter PIN dialog popping up. On YouTube I saw an ...
2
votes
1answer
6k views

How to use mobile data (hotspot) and calls at the same time?

I have a Huawei Honor 8X running Android 9 and it is pretty new - probably a year or so old. I am currently running it dual-SIM - one for my telephone number and one for mobile data. I am doing this ...
2
votes
1answer
3k views

Dual SIM device : How to configure data usage on per app basis (Rooted device)

My Moto X Play (6.0.1, rooted, Xposed installed ) has dual SIM options, which I usually don't use. Recently, I had a need to use two SIMs, borrowed one with generous data allowance and second (...
2
votes
1answer
9k views

How does GS3 dual SIM adapter work?

I have seen that some online shops sell a Samsung Galaxy S3 dual SIM adapter. I haven't found much information about how does it work, but I have doubts about it. Some links: https://www.amazon.it/...
2
votes
1answer
4k views

Does Android auto-switch between SIMs for data on dual-SIM phones when one of the SIMs has poor reception?

If you're using the internet on the phone, does Android auto-switch between SIMs on dual-SIM phones when one of the SIMs has poor reception? https://honestmobile.co.uk/ seem to think some phones do ...
2
votes
1answer
2k views

Can I change which SIM a phone is using for its LTE interface using ADB?

I have a set of phones that have dual SIM cards. What I would like to do is have them connected to one network using SIM card 1, run some test, disconnect from the network, then have them connect to a ...
2
votes
2answers
2k views

Restore IMEI of Xiaomi MI4C Without Another Phone

In short: I have a Xiaomi Mi4c that shows has an "unknown" IMEI when checked via the settings in the stable and developer versions of MIUI and Cyanogenmod 13.1. However, when viewed through EFS ...
2
votes
1answer
4k views

Dual SIM standby -- data and calls on different SIMs

I wanna ask about Dual SIM standby 4G phones, particularly Lenovo P70 if that makes a difference. If I have two SIMs: (A) with a call and SMS tariff, (B) with LTE data. If I browse the internet on (...
2
votes
1answer
1k views

How to avoid roaming question on dual-sim calls?

I have a mobile phone with a dual-sim slot and I inserted a SIM in each of them.One of the SIMs get logged in in national roaming which is ok as there is a cooperation between my native service ...
2
votes
1answer
1k views

Change SMSC on dual-sim phone

I've got a Wileyfox Swift with two SIM cards, running CyanogenMod 13. I can only send SMS from one card/carrier, not from the other. My guess is that is has to do with the Short Message service ...
2
votes
1answer
1k views

How to have a long Standby and Battery -life? [duplicate]

Possible Duplicate: What can I do to increase battery life on my Android device? My Huawei Android is dead after one day. I am looking for ways to extend the battery life a new Android -phone ...
2
votes
0answers
10k views

Turn off blue "1" symbol next to texts on Samsung Galaxy S7

I just recently got a Samsung Galaxy S7. As shown in the pictures, there is a blue 1 symbol next to all of my texts. I only found one forum online that said this was due to the "dual sim". However ...
2
votes
0answers
196 views

A lack of sim card in my android device crashing my apps? Why?

A weird problem I observed with my Micromax A116, android version 4.2.1. From the day I bought it, 8 months back, I have used both the sim slots. But the internal earphones were damaged & I couldn'...
1
vote
1answer
59 views

Make a phone call in one SIM and simultaneously browse with the other

I have a Samsung Galaxy S10e SM-G970F that I'd like to use for phone calls and simultaneously as an hotspot (WiFi tethering) to browse from my laptop. The phone has 2 sim cards. I'm unable to make a ...
1
vote
2answers
868 views

How to insert 2 sim cards on ulefone armor 9

I have the ulefone armor 9. It states it has a Hybrid Dual SIM (Nano-SIM, dual stand-by). In the settings it seems it says there are 2 slots for sim cards. But for the life of me I cannot figure out ...
1
vote
1answer
2k views

Inserting Single SIM Card into a Dual SIM Phone

I understand phones having Dual SIM card slots use more battery. However, if we use only one SIM in a dual SIM Phone, will the battery still be drained out quickly? What If i choose not to use/insert ...
1
vote
1answer
891 views

How do I change phone number in Viber from SIM1 to SIM2, when I only have data on SIM2?

How do I change Viber phone number in a dual-SIM phone from SIM1 to SIM2, when my current Viber account's phone number corresponds to SIM1, but I only have data on SIM2? (e.g. when I have moved to a ...
1
vote
1answer
1k views

Can the Verizon Samsung Galaxy S9+ also run T-Mobile?

(This question does not apply to the unlocked version - it applies to the Verizon version specifically) Is the Verizon Galaxy S9 Plus able to also run T-Mobile using its dual sim feature, or is that ...
1
vote
1answer
1k views

What effect does a dual SIM have on the apps and software?

Some Android phones have dual SIMs. I'm curious what difference this makes? For example, are any special apps required? Do regular apps work on dual SIMs or do they have to be a special edition? Are ...
1
vote
1answer
2k views

Bulk manage Google Contacts with dual SIM card

I have a Archos NEON 45 with a dual sim option. Never had a use for it until my business phone stopped working. So I transferred the business SIM-card to my Archos NEON. I also added by Google ...
1
vote
1answer
12k views

How do I put only one SIM card in dual-sim smartphone to "Airplane mode"?

In Airplane Mode the device last noticably longer. The "Cell standby" shows 76% in battery settings. There are two SIM cards inserted into the device, but now I use only the second. I expect that if ...
1
vote
1answer
5k views

Lollipop update on MotoG causing no service for sim card

I was using Moto G(1st gen) phone for the past 1 year. I was using 2 sims and I didnt face any problem for 1 year. After getting lollipop update, I frequently get 'no service' for one of my sim. ...
1
vote
1answer
20k views

Dual SIM: Disable telephony features on second SIM

I have a Samsung Galaxy S Duos 2 (GT-S7582) with two SIMs. I'd like to use one of those SIMs for everything telephony related, the other SIM for everything data related. I managed to set the first ...
1
vote
1answer
2k views

Can dual-sim phone use one sim for voice\sms and second solely for internet access?

Is it possible with dual-SIM Android phone to use one SIM-card for voice and SMS but not internet access and second solely for internet access? I tried reading PDF manuals for such phones but it's a ...
1
vote
0answers
15 views

Is there a way to force the second SIM to 4G?

My phone is Samsung M12, I want to know if I can switch the SIM 2 into 4G only. I know I can easily download 4G-only apps from Play store, but they work for the first SIM only. I need to force my ...
1
vote
0answers
37 views

Sim card manager - Mobile Data sim card assignment not persistent

I am using Samsung A50, which is dual sim. In the Sim card manager I set my SIM 1 to be the one for Mobile Data, but every time I reboot the device, the setting gets reset back to SIM 2, and so I need ...
1
vote
0answers
47 views

Filtering/hiding all SMS based on recipient number

I'm looking for a possibility to hide all SMS sent to a certain number in a dual sim environment. I have number A and number B and I would like to see only SMS for number B, num
1
vote
0answers
342 views

Determining which app keeps asking me to choose a SIM card

I have a dual-SIM version of Sony Xperia XZ Premium (G8142) running Android 9. In my "Dual SIM" settings I have explicitly asked the phone to use one of the two SIM cards for "Cellular Data", "Calls" ...
1
vote
0answers
60 views

Detecting a Bad File

I have an LG STYLUS 3 phone and suspect that it may be remotely controlled or linked to another person. What do I look for to know whats up?
1
vote
0answers
1k views

Dual SIM: is it possible to have two Android user accounts each using one SIM

I am planning to purchase a dual-SIM Android smartphone to use it with two user accounts, completely separated. To clarify: user account One would receive all calls, SMS etc. to SIM card 1 and user ...
1
vote
1answer
589 views

Dual sim phone - work / private how does it work?

I have a work and a private phone which can be a bit annoying at times carrying them both around. I like to keep them both separate so i can turn the work one off when on holiday etc to avoid the ...
1
vote
0answers
375 views

Combining two single sim phones (backup) into one dual sim phone

Is there any method of combining the Android backups from two mobile phones when I move from two single sim phones to a dual sim phone? I have a Samsung Galaxy S4 running my UK contract SIM, and a ...